A character letter plays a dual role. Sample Format for a Character Letter.If you have been asked to write a character letter, this simple template may be a useful guide. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. More specifically, explain how you met him and how well you feel you know him. Character references for an individual that will be before a Judge can take the form of a letter to the Judge (Dear Hon. Write the date and the judge's address in the top left.